Isle Au Haut, Penobscot Bay Sea Conditions and Tide Table

Isle Au Haut, Penobscot Bay Sea Conditions table showing wave height, swell direction and period.

High and low tide times are also provided on the table along with the moon phase and forecast weather. Sunrise today is at — and sunset is at 03:56 PM.

Days 1–4 Weather Summary

Moderate rain (total 12mm), heaviest on Fri morning. Icy conditions (max 12°C on Fri afternoon, min -3°C on Fri night). Winds decreasing (severe gales from the S on Fri afternoon, light winds from the S by Sat afternoon).

Days 5–7 Weather Summary

Mostly dry. Icy conditions (max 2°C on Wed morning, min -7°C on Mon night). Winds decreasing (near gales from the NW on Mon morning, light winds from the NW by Tue afternoon).

Days 8–10 Weather Summary

Moderate rain (total 17mm) heaviest on Fri morning, then becoming colder with a dusting of snow on Fri afternoon. Freeze-thaw conditions (max 5°C on Fri morning, min -1°C on Wed night). Winds increasing (light winds from the S on Wed night, strong winds from the NW by Sat morning).

Days 11–13 Weather Summary

Mostly dry. Temperatures will be below freezing (max 0°C on Sat afternoon, min -6°C on Sat night). Winds decreasing (strong winds from the NNW on Sat afternoon, calm by Mon morning).

Thu
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tue
30
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
Wave Height Map
High Tide
10:01PM2.56m
10:03AM2.90m
10:39PM2.57m
10:40AM2.92m
11:16PM2.58m
11:17AM2.93m
11:52PM2.59m
11:54AM2.93m
00:29AM2.60m
12:32PM2.92m
1:07AM2.62m
1:12PM2.90m
1:48AM2.65m
1:56PM2.86m
2:33AM2.70m
2:45PM2.81m
3:21AM2.76m
3:40PM2.75m
4:13AM2.84m
4:39PM2.70m
5:10AM2.93m
5:43PM2.68m
6:08AM3.04m
Low Tide
3:27PM0.10m
3:30AM0.43m
4:05PM0.09m
4:08AM0.42m
4:42PM0.08m
4:45AM0.42m
5:19PM0.08m
5:21AM0.42m
5:55PM0.08m
5:59AM0.41m
6:33PM0.08m
6:40AM0.40m
7:12PM0.08m
7:24AM0.38m
7:55PM0.09m
8:13AM0.34m
8:41PM0.11m
9:08AM0.29m
9:31PM0.13m
10:07AM0.22m
10:26PM0.16m
11:09AM0.11m
11:25PM0.16m
12:12PM-0.02m
Wave
height (m) 
direction
period (s) 
0.9
S
5
1.5
S
6
2.5
S
7
4.5
S
9
3
SSE
11
2.1
SSE
12
1.3
SSE
11
1.5
S
6
2.1
S
8
1.6
S
8
1.3
SW
5
1.3
NW
5
1.5
NNW
5
0.5
WNW
3
0.4
WSW
3
0.4
SSW
5
0.4
SSW
5
0.3
S
6
0.6
NNW
3
0.3
SSE
8
0.9
SW
4
1
SSW
5
0.7
S
6
0.6
S
6
0.9
NNE
4
1
S
9
0.8
S
9
1.3
NNW
4
1.1
N
4
0.8
N
4
0.6
E
5
0.2
SSE
7
0.2
SSE
7
0.2
SSE
7
0.9
NNW
4
0.4
NNW
4
part cloud
part cloud
mod rain
mod rain
part cloud
clear
part cloud
cloud
clear
part cloud
clear
clear
clear
part cloud
cloud
cloud
part cloud
clear
part cloud
part cloud
light rain
light rain
light rain
heavy rain
light snow
cloud
part cloud
part cloud
clear
clear
clear
part cloud
cloud
part cloud
clear
clear
some clouds
some clouds
mod rain
mod rain
some clouds
clear
some clouds
cloudy
clear
some clouds
clear
clear
clear
some clouds
cloudy
cloudy
some clouds
clear
some clouds
some clouds
light rain
light rain
light rain
heavy rain
light snow
cloudy
some clouds
some clouds
clear
clear
clear
some clouds
cloudy
some clouds
clear
clear
 km/h
30
SSW
40
S
55
S
80
S
50
W
45
WNW
25
WNW
45
S
45
SW
40
WNW
45
WNW
50
NW
50
NW
25
WNW
20
WSW
15
W
15
N
15
WNW
30
NNW
10
N
35
SW
30
WSW
20
ENE
15
E
35
N
15
NNW
25
NNW
45
NNW
35
N
30
N
20
N
10
N
10
S
10
N
35
NNW
20
NW
 mm 
6
6
1
1
4
11
max°C
5
9
11
12
5
0
0
6
5
1
-2
-5
-5
-2
0
0
-1
2
3
2
3
3
4
5
2
2
3
0
-5
-4
-4
-4
-1
-1
-3
-3
Moonrise
7:08
8:00
8:43
9:18
9:46
10:10
10:30
10:49
11:09
11:29
11:53
12:23
Moonset
3:14
4:10
5:13
6:21
7:30
8:40
9:50
11:01
12:14
1:30
2:50
Sunrise
7:05
7:05
7:05
7:05
7:07
7:07
7:07
7:07
7:07
7:07
7:09
7:09
Sunset
3:56
3:57
3:57
3:59
3:59
4:00
4:00
4:00
4:01
4:01
4:02
4:04
Today's sea temperature in Isle Au Haut, Penobscot Bay is
6.4° C
(Statistics for 18 Dec 1981-2005 – mean: 6.4 max: 7.6 min: 4.7°C)
Issued (local time): 6 pm Thursday 18 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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